During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the Ordovician ...

Since the early 1980s, Earth scientists have understood that erosion and weathering of rock slowly removes CO 2 from the ...

For many hundreds of millions of years, the average temperature at the surface of the Earth has varied by not much more than 20 degrees Celsius, facilitating life on our planet. To maintain such ...

Could blending of crushed rock with arable soil lower global temperatures? Researchers of Mainz University have studied global warming events from 40 and 56 million years ago to find answers. Their ...

Sandbars swirl beneath Oregon Inlet in Cape Hatteras National Seashore on North Carolina's Outer Banks. Waves driven by ocean winds can cause the sandbars here to shift and change literally by the ...